Sections under which charges were framed include Section 151 (destruction of certain railway properties), 153 (endangering safety of persons traveling by railway by willful act) of the Railways Act, Section 3 (punishment for causing explosion likely to endanger life or property) and 4 (punishment for attempt to cause explosion or keeping explosive with intent to endanger life or property) of the Explosive Substances Act.

The next date for hearing is February 24. All the four accused are currently in Ambala Jail.